End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
2016新年快樂! ... https://cat-sky.tw/2015/12/31/2016%e6%96%b0%e5%b9%b4%e5%bf%ab%e6%a8%82%ef%bc%81/